Ref: http://blogs.sun.com/timf/entry/zfs_bootable_datasets_happily_rumbling
Ref: http://mediacast.sun.com/share/timf/zfs-actual-root-install.sh
This is my errata for Tim Foster's zfs root install script:
1/ Correct mode for /tmp should be 1777.
2/ The zfs boot install should allow you to have /usr on a separate zpool:
a/ We need to create /zfsroot/usr/lib in the root partition and copy
/usr/lib/libdiskmgt.so* to it.
b/ During boot up, solaris will mount an optimized libc on top of
/lib/libc.so.1,
and Tim's script fails to copy it correctly. Init will be killed in a
loop if the C library is absent.
In the part of the script which populates the devices and /dev
directories,
we must copy /zfs-root-tmp.$$/lib/libc.so.1 /zfsroot/lib.
Now you can have /usr, /opt, /var and /home on a separate raidz zpool.
My zfs root takes only 500 megs and sits nicely on two 1 gig USB flash disks.
zfs create tank/usr
zfs set mountpoint=legacy tank/usr
mkdir /mnt/usr
mount -F zfs tank/usr /mnt/usr
/usr/sfw/bin/gtar Ccp /usr . | /usr/sfw/bin/gtar Cxp /mnt/usr
echo >>/zfsroot/etc/vfstab tank/usr - /usr zfs - yes -
If you move /var to a separate partition, make sure you keep /var/run directory
in your zfs root.
Tested on b75a and b75a xVm should also work with b70, etc.
kugutsumen
You can find a patch for Tim's script here:
http://www.kugutsumen.com/showthread.php?t=1740
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